Honda Prelude 1993 Service Manual page 505

1443
Frcm. page 1442
Moasuro the vohsge betwosn
the Af7 and A2gA
tetmi-
nals.
Chock fo. lhon In GRN/8LK wire betwoon th. Al7 t.rmln.l rnd tho
A/T g.ar polition luyitch. lf wiro is OK, chock fo. loolo TCM connoc-
tor!.It noco$ary, 3ubstllutc a known-good TCM and.ochock.
ls thore battery vohag€?
M€asur€ the vohage between
the A15 and A2tA26 termi-
n6ls.
Check tor.hort in GRN/BIU wlro botwoon ths A'15 torminal rnd tho
A/T gear position switch or A/T g6ai po.hlon indlcator.lf wira ls OK,
chock for looso TCM connesto''. It necersa.y, lubatliuto a known-
good TCM and rochock.
ls ther6 battory vohago?
Moasure the vohago b€twogn
trho A13 and 429A26 t6rmi-
nals.
Chock tor short in GRN/YEL wire betwoon tho A13 t.rmlnal and the
A/T goor posltlon swltch or A/T g.ar porition indlc.tor. lf wl.o b OK,
check lo. loor6 TCM connociors, It n6cas3!rv, subatitute a known-
good TCM and recheck.
ls th6r€ battery vohage?
Moasure the voltage botwe€n
th6 A11 and A2tA26 termi-
na|s.
Check for short in LT GRN/W}|T wiro botw.on the A11 torminrl and
the A/T opar polition lwitch or A/T go.i po.hion indicator. lf wi.e i!
OK, chack for loose TCM connoctora. lf nocorsa.y. rubrtltuto a
known-good ICM and rachock.
Ched( tor bo36 TCM connac-
tor!. It necolsa.y, substilute
a k n o w n - g o o d T C M a n d
rochock.
r-@-r
Battery vohag6?
A26
A26
o o o o o o o o o o o
o o o o o o o o o o o
o o o o o o o o o o o o
o o o o o o o o o o o o
426
o o o o o o o o o o o o
o o o o o o o o o o o o
o o o o o o o o o o o
o o o o o o o o o o o
a26
lcont'd)